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makvit [3.9K]
3 years ago
14

The probability that Paula passes Mathematics is 2/3, and the probability that she passes English is 4/9. If the probability tha

t she passes both courses is 1/4, what is the probability that she will pass at least one course?
Mathematics
1 answer:
Anestetic [448]3 years ago
8 0

Answer:

31/36

Step-by-step explanation:

P(E or M) = P(E) + P(M) - P(E & M)

= (2/3) + (4/9) - (1/4)

= 31/36

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Ghella [55]

Answer:

Follows are the solution to the given point:

Step-by-step explanation:

In point a:

¬∃y∃xP (x, y)  

∀x∀y(>P(x,y))  

In point b:

¬∀x∃yP (x, y)

 ∃x∀y  ¬P(x,y)

In point c:

¬∃y(Q(y) ∧ ∀x¬R(x, y)) \equiv  ∀y(> Q(y) V ∀ ¬ (¬R(x,y)))

∀y(¬Q(Y)) V ∃xR(x,y) )

In point d:

¬∃y(∃xR(x, y) ∨ ∀xS(x, y))  

∀y(∀x>R(x,y)) \wedge ∃x>s(x,y))

In point e:

¬∃y(∀x∃zT (x, y, z) ∨ ∃x∀zU (x, y, z))

∀y(∃x ∀z)>T(x,y,z) \wedge ∀x ∃z> V (x,y,z))  

8 0
3 years ago
tom is trying to write 3/47 as a decimal. he used long division and divided until he got the quotient 0.0638297872, at which poi
babunello [35]
I agree for no reason.
3 0
3 years ago
I need to solve this equation, when you answer i would like the steps on how you did it so that i can do problems like this one.
Alla [95]

Answer:

3(3x-1)

Step-by-step explanation:

3(2x-1)+3

3(2x-1x)

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3(3x-1)

5 0
3 years ago
Use exterior angles to solve for interior angles.
Dmitry [639]

Answer:

I could be mistaken but I believe that x= 42.5

Step-by-step explanation:

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When you solve this equation, you get 42.5 for X

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3 years ago
What is the exact area of a circle with a radius of six feet?
expeople1 [14]
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3 years ago
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